www.pudn.com > WaveCtrl_demo.zip > CWaveFile.h

//CWaveViewCtrl.h 
#include  
#include  
#include  
typedef struct FormatChunk{ 
	//long chunkSize; 
	short wFormatTag; 
	unsigned short wChannels; 
	unsigned long dwSamplesPerSec; 
	unsigned long awAvgBytesPerSec; 
	unsigned short wBlockAlign; 
	unsigned short wBitsPerSample; 
}fchunk; 
 
typedef struct RIFF{ 
	char ID[4]; 
	DWORD Size; 
}riff; 
 
class CWaveViewCtrl:public CWnd 
{ 
DECLARE_SERIAL(CWaveViewCtrl);          // to make this class siralizeable 
// Construction 
public: 
	CWaveViewCtrl();						//default constructor	 
	// Attributes 
public: 
	void *m_data;		 
// Operations 
public: 
 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CWaveEditCtrl) 
	public: 
	virtual BOOL Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext = NULL); 
	//}}AFX_VIRTUAL 
 
// Implementation 
	void Serialize( CArchive& ar );      //to do siralization 
	 
	void Command(bool state=true);			 //to play sound 
 
	virtual ~CWaveViewCtrl();//distructor 
 
protected: 
	//{{AFX_MSG(CWaveEditCtrl) 
	afx_msg void OnLButtonDown( UINT nFlags, CPoint point ); 
	afx_msg void OnLButtonUp( UINT nFlags, CPoint point ); 
	afx_msg int  OnCreate( LPCREATESTRUCT lpCreateStruct ); 
	afx_msg void OnMouseMove( UINT nFlags, CPoint point ); 
	afx_msg void OnSize( UINT nType, int cx, int cy ); 
	afx_msg void OnKillFocus( CWnd* pNewWnd ); 
	afx_msg void OnSetFocus( CWnd* pOldWnd ); 
	afx_msg void OnTimer( UINT nIDEvent ); 
	afx_msg void OnPaint(); 
	//}}AFX_MSG 
public: 
	CDC m_MDC; 
	CBitmap m_bitmap,*m_pOldBitmap; 
	CRect memrec; 
	fchunk* m_pfch; 
	RIFF* m_pRiff; 
private: 
	CRect rect; 
	int m_selpoint; 
	bool isComm,m_shiftcaret,m_MouseSel; 
	POINT m_PBP; 
	LPVOID lpvFile; 
 
	IDirectSound* DSound; 
	IDirectSoundBuffer* DSoundBuff; 
 
	 
	 
	void CreateCaret(bool Flag); 
	void DrawTimeRuler(CPaintDC* PaintDC);	 
	 
	DECLARE_MESSAGE_MAP() 
};